000
FZNT24 KNHC 210847
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
430 AM CDT THU OCT 21 2010

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE 
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE 
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. 

GMZ089-211530-
SYNOPSIS FOR THE GULF OF MEXICO
430 AM CDT THU OCT 21 2010

.SYNOPSIS...HIGH PRES CENTER WILL MEANDER OVER THE NORTHERN GULF 
THROUGH TONIGHT THEN MOVE N OF THE AREA FRI WITH A RIDGE FROM NW 
FLORIDA TO THE BAY OF CAMPECHE FRI NIGHT THROUGH SUN AND ALONG 
25N MON AS TROPICAL DEPRESSION NINETEEN MOVES INTO THE YUCATAN 
PENINSULA MON.

$$
GMZ080-211530-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
430 AM CDT THU OCT 21 2010

.TODAY...W OF 93W SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. E 
OF 93W VARIABLE WINDS 5 TO 10 KT. SEAS 1 TO 2 FT.
.TONIGHT AND FRI...W OF 94W SE TO S WINDS 15 TO 20 KT. SEAS 4 
TO 7 FT. E OF 94W E TO SE WINDS 5 TO 10 KT INCREASING TO 10 TO 
15 KT FRI. SEAS 1 TO 3 FT.
.FRI NIGHT...SE TO S WINDS 15 TO 20 KT. SEAS 5 TO 7 FT W OF 94W 
AND 2 TO 4 FT E OF 94W.
.SAT...SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 7 FT. SCATTERED 
SHOWERS W PART.
.SUN...W OF 95W S WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. E OF 95W SE 
TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.MON...S TO SW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SCATTERED 
SHOWERS ISOLATED TSTMS N PART.

$$
GMZ082-211530-
SW GULF S OF 25N W OF 90W
430 AM CDT THU OCT 21 2010

.TODAY...W OF 94W SE TO S WINDS 10 TO 15 KT. SEAS 1 TO 2 FT. E 
OF 94W NE TO E WINDS 5 TO 10 KT. SEAS 1 TO 2 FT.
.THU NIGHT THROUGH MON...N OF 20N W OF 95W SE TO S WINDS 15 TO 
20 KT. SEAS 4 TO 6 FT. ELSEWHERE E TO SE WINDS 10 TO 15 KT. 
BECOMING N TO NE WINDS 15 TO 20 KT S OF 21N E OF 92W MON. SEAS 2 
TO 4 FT BUILDING TO 4 TO 6 FT S OF 21N E OF 92W MON. SCATTERED 
SHOWERS SE PART MON. 

$$
GMZ084-211530-
MIDDLE GULF BETWEEN 85W AND 90W 
430 AM CDT THU OCT 21 2010

.TODAY AND TONIGHT...N OF 26N N TO NE WINDS 5 TO 10 KT. SEAS 1 
TO 3 FT. S OF 26N N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.FRI...N OF 25N NE TO E WINDS 10 KT. SEAS 1 TO 2 FT. S OF 25N NE 
TO E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.FRI NIGHT...N OF 25N NE TO E WINDS 10 TO 15 KT SHIFTING E TO SE 
N OF 28N LATE. SEAS 2 TO 4 FT. S OF 25N NE TO E WINDS 15 TO 20 
KT. SEAS 4 TO 6 FT.
.SAT...N OF 26N E TO SE WINDS 15 KT. SEAS 4 TO 6 FT. S OF 26N E 
WINDS 15 TO 20 KT. SEAS 4 TO 7 FT.
.SUN...SE WINDS 10 TO 15 KT EXCEPT E WINDS 15 TO 20 KT S OF 24N. 
SEAS 5 TO 7 FT IN E SWELL. SCATTERED SHOWERS N PART.
.MON...N OF 27N S TO SW WINDS 15 KT. SEAS 4 TO 6 FT. S OF 27N S 
TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.

$$
GMZ086-211530-
E GULF BETWEEN 81W AND 85W
430 AM CDT THU OCT 21 2010

.TODAY AND TONIGHT...N TO NE WINDS 10 TO 15 KT EXCEPT NW TO N 
WINDS N OF 28N. SEAS 2 TO 4 FT.
.FRI...NE WINDS 10 TO 15 KT INCREASING TO 20 KT IN STRAITS OF 
FLORIDA LATE. SEAS 1 TO 3 FT EXCEPT 3 TO 5 FT IN STRAITS OF 
FLORIDA.
.FRI NIGHT...NE TO E WINDS 15 TO 20 KT. SEAS 2 TO 4 FT EXCEPT 4 
TO 7 FT S OF 25N.
.SAT...E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT EXCEPT 5 TO 8 
FT IN STRAITS OF FLORIDA.
.SUN...N OF 26N SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. S OF 26N E 
TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
.MON...SE TO S WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT N OF 
28N LATE. SEAS 3 TO 5 FT.

$$
FORECASTER DGS